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[compiler-rt] Pass CMake C and C++ flags to the custom libc++

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When building the custom libc++ that's used by libFuzzer as well as
MSan and TSan tests, passthrough the C and C++ flags that were passed
to the compiler-rt CMake build. These may be needed to successfuly
compile the library on a particular platform.

Differential Revision: https://reviews.llvm.org/D53862

llvm-svn: 345788
This commit is contained in:
Petr Hosek 2018-10-31 22:40:25 +00:00
parent fd9461f5e4
commit 06a4bd9d20
1 changed files with 7 additions and 3 deletions
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10
compiler-rt/cmake/Modules/AddCompilerRT.cmake
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@ -568,9 +568,13 @@ macro(add_custom_libcxx name prefix)
endif()
endforeach()
string(REPLACE ";" " " FLAGS_STRING "${LIBCXX_CFLAGS}")
set(LIBCXX_C_FLAGS "${FLAGS_STRING}")
set(LIBCXX_CXX_FLAGS "${FLAGS_STRING}")
string(REPLACE ";" " " LIBCXX_C_FLAGS "${LIBCXX_CFLAGS}")
get_property(C_FLAGS CACHE CMAKE_C_FLAGS PROPERTY VALUE)
set(LIBCXX_C_FLAGS "${LIBCXX_C_FLAGS} ${C_FLAGS}")
string(REPLACE ";" " " LIBCXX_CXX_FLAGS "${LIBCXX_CFLAGS}")
get_property(CXX_FLAGS CACHE CMAKE_CXX_FLAGS PROPERTY VALUE)
set(LIBCXX_CXX_FLAGS "${LIBCXX_CXX_FLAGS} ${CXX_FLAGS}")
ExternalProject_Add(${name}
DEPENDS ${name}-clobber ${LIBCXX_DEPS}